From b0b656a71d20427425c53028e3ab1a0583f96395 Mon Sep 17 00:00:00 2001
From: Adam Tokarski <adrestokarskiego@gmail.com>
Date: Wed, 9 Mar 2016 11:24:42 +0100
Subject: [PATCH] DateTimePicker for dynamically created controls.

DateTimePicker will be now aware of dynamically created controls (for example if form is loaded as some kind of modal mode, not in tab).
---
 bootstrap3_datetime/widgets.py | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/bootstrap3_datetime/widgets.py b/bootstrap3_datetime/widgets.py
index 95338de..1e24880 100644
--- a/bootstrap3_datetime/widgets.py
+++ b/bootstrap3_datetime/widgets.py
@@ -93,11 +93,22 @@ def conv_datetime_format_js2py(cls, format):
                 var callback = function() {
                     $(function(){$("#%(picker_id)s:has(input:not([readonly],[disabled]))").datetimepicker(%(options)s);});
                 };
-                if(window.addEventListener)
+                // if window object id loaded already, call directly callback function
+                if (-1 != $.inArray(
+                        document.readyState,
+                        ["loaded", "interactive", "complete"]
+                    )
+                ) {
+                    callback();
+                } 
+                else if (window.addEventListener) {
                     window.addEventListener("load", callback, false);
-                else if (window.attachEvent)
+                }
+                else if (window.attachEvent) {
                     window.attachEvent("onload", callback);
-                else window.onload = callback;
+                }
+                else
+                    window.onload = callback;
             })(window);
         </script>'''